import axios, { AxiosResponse } from "axios";
// prettier-ignore
import { ElNotification, ElMessageBox, ElLoading, ElMessage } from "element-plus";
import useUserStore from "@/store/modules/user";
import { getToken } from "@/utils/auth";
import { tansParams, blobValidate } from "@/utils/ruoyi";
import errorCode from "@/utils/errorCode";
import cache from "@/plugins/cache";
import { saveAs } from "file-saver";
import { nanoid } from "nanoid";


const userAgent = navigator.userAgent;
// prettier-ignore
var isIE11 = userAgent.indexOf('Trident') > -1 && userAgent.indexOf('rv:11.0') > -1;
console.log("是否是IE11", isIE11);

// prettier-ignore
var isLessIE11 = userAgent.indexOf('compatible') > -1 && userAgent.indexOf('MSIE') > -1;
console.log("是否是小于IE11", isLessIE11);

// prettier-ignore
axios.defaults.headers["Content-Type"] = "application/json;charset=utf-8";

// 创建axios实例
export const service = axios.create({
	baseURL: import.meta.env.VITE_APP_BASE_API,
	// 超时
	timeout: 10000 * 20,
});
// 是否显示重新登录
export let isRelogin = { show: false };
// request拦截器
service.interceptors.request.use(
	(config: any) => {
		// 是否需要设置 token
		// prettier-ignore
		const isToken = (config.headers || {}).isToken === false;
		// 是否需要防止数据重复提交
		// prettier-ignore
		const isRepeatSubmit = (config.headers || {}).repeatSubmit === false;
		const requestId = nanoid();
		if (getToken() && !isToken) {
			config.headers['Authorization'] = 'Bearer ' + getToken() // 让每个请求携带自定义token 请根据实际情况自行修改
			// // 请求加上随机ID
			// config.headers["RequestId"] = requestId;
			// // prettier-ignore
			// config.headers["Authorization"] = "Bearer " + getToken(); // 让每个请求携带自定义token 请根据实际情况自行修改
		}
		// get请求映射params参数
		if (config.method === "get" && config.params) {
			let url = config.url + "?" + tansParams(config.params);
			url = url.slice(0, -1);
			config.params = {};
			config.url = url;
		}
		// prettier-ignore
		if (!isRepeatSubmit && (config.method === "post" || config.method === "put")) {
			// prettier-ignore
			const requestObj = {
				url: config.url,
				data: typeof config.data === "object" ? JSON.stringify(config.data) : config.data,
				time: new Date().getTime()
			};
			// prettier-ignore
			const sessionObj = cache.session.getJSON("sessionObj");
			// prettier-ignore
			if (sessionObj === undefined || sessionObj === null || sessionObj === "") {
				cache.session.setJSON("sessionObj", requestObj);
			} else {
				const s_url = sessionObj.url; // 请求地址
				const s_data = sessionObj.data; // 请求数据
				const s_time = sessionObj.time; // 请求时间
				const interval = 1000; // 间隔时间(ms)，小于此时间视为重复提交
				// prettier-ignore
				if (s_url != '/business/checkOutput/ocr' && s_url != '/business/checkAll' && s_url != '/business/check/ocrAll' && s_url != '/business/collect/ocr/0' && s_url != '/business/collect/ocr/1' && s_url != '/business/voucherEng/uploads') {
					if (s_data === requestObj.data && requestObj.time - s_time < interval && s_url === requestObj.url) {
						const message = "数据正在处理，请勿重复提交";
						console.warn(`[${s_url}]: ` + message);
						return Promise.reject(new Error(message));
					} else {
						cache.session.setJSON("sessionObj", requestObj);
					}
				} else {
					cache.session.setJSON('sessionObj', requestObj)
				}
			}
		}
		return config;
	},
	(error) => {
		console.log(error);
		Promise.reject(error);
	}
);

// 响应拦截器
// prettier-ignore
service.interceptors.response.use((res: AxiosResponse):Promise<AxiosResponse<any>> => {
	// 未设置状态码则默认成功状态
	const code = res.data.code || 200;
	// 获取错误信息
	// prettier-ignore
	const msg = errorCode[code] || res.data.msg || errorCode["default"];
	// 二进制数据则直接返回
	// prettier-ignore
	if (res.request.responseType === "blob" || res.request.responseType === "arraybuffer") {
		return res.data;
	}
	if (code === 401) {
		if (!isRelogin.show) {
			isRelogin.show = true;
			// prettier-ignore
			ElMessageBox.confirm(
				"登录状态已过期，您可以继续留在该页面，或者重新登录",
				"系统提示",
				{
					confirmButtonText: "重新登录",
					cancelButtonText: "取消",
					type: "warning"
				}
			)
				.then(() => {
					isRelogin.show = false;
					useUserStore().logOut().then(() => {
						location.href = "/index";
					});
				})
				.catch(() => {
					isRelogin.show = false;
				});
		}
		// prettier-ignore
		return Promise.reject("无效的会话，或者会话已过期，请重新登录。");
	} else if (code === 500) {
		ElMessage({
			message: msg,
			type: "error"
		});
		return Promise.reject(new Error(msg));
	} else if (code !== 200) {
		ElNotification.error({
			title: msg
		});
		return Promise.reject("error");
	} else {
		return res.data;
	}
},
	error => {
		console.log("err", error);
		let { message } = error;
		if (message == "Network Error") {
			message = "后端接口连接异常";
		} else if (message.includes("timeout")) {
			message = "系统接口请求超时";
		} else if (message.includes("Request failed with status code")) {
			message = "系统接口" + message.substr(message.length - 3) + "异常";
		}
		ElMessage({
			message: message,
			type: "error",
			duration: 5 * 1000
		});
		return Promise.reject(error);
	}
);


export function download(url: string, params: any, filename: string) {
  const	downloadLoadingInstance = ElLoading.service({ text: "正在下载数据，请稍候", spinner: "el-icon-loading", background: "rgba(0, 0, 0, 0.7)", })
	return service.post(url, params, {
	  transformRequest: [(params) => { return tansParams(params) }],
	  headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
	  responseType: 'blob'
	}).then(async (data:any) => {
	  const isLogin = await blobValidate(data);
	  if (isLogin) {
		const blob = new Blob([data])
		saveAs(blob, filename)
	  } else {
		const resText = await data.text();
		const rspObj = JSON.parse(resText);
		const errMsg = errorCode[rspObj.code] || rspObj.msg || errorCode['default']
		ElMessage.error(errMsg);
	  }
	  downloadLoadingInstance.close();
	}).catch((r) => {
	  console.error(r)
	  ElMessage.error('下载文件出现错误，请联系管理员！')
	  downloadLoadingInstance.close();
	})
  }
  

export default service;